chore: bump actions/setup-go from 5 to 6

Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5 to 6.
- [Release notes](https://github.com/actions/setup-go/releases)
- [Commits](actions/setup-go@v5...v6)

---
updated-dependencies:
- dependency-name: actions/setup-go
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/build-test-lint.yaml

@@ -5,7 +5,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Set up Go matrix
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: 1.24.x
       - name: Check out code into the Go module directory
@@ -17,7 +17,7 @@ jobs:
     needs: build
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: 1.24.x
       - name: Check out code into the Go module directory
@@ -29,7 +29,7 @@ jobs:
     needs: build
     steps:
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: 1.24.x
       - name: Check out code into the Go module directory
@@ -51,7 +51,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: 1.24.x
       # if this fails, run go mod tidy
@@ -63,7 +63,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
         with:
           go-version: 1.24.x
       - name: Generate coverage report